remcos | 0642087b7349c02936433748a8e3aceda1a80937c900016a154e467d8bdb232f

Analysis

max time kernel
300s
max time network
301s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 01:22

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General

Target
Order490267.exe
Size 3.4MB
Sample250205-brbp4sslat
SHA256 af3e7559f7119c73c2adc41c1cf5114b0658eb4ea58a7db63e69a72930751098
MD5 778a7674813e2f1e29ccd8ed1c099b26
SHA1 de6117d94e471ccc9607483e0ef3892d8a86aa87
SHA512 242cbb5c13470873882472f2f03fa6a3afbc6adedc603197add1cf126778af8edcfd5536fccd4e5aef60697cb535be0ecfa3dca4578a9f5a0d10635bffd9cdc2
SSDEEP 98304:KjXNRqFJagJ2pK4JEKB5v6auTu1L07M+c:K7W5JqJH/v6acu1Lc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos aboki discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Aboki

remaboki2025.duckdns.org:56379

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-FSAI48
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\jpg.exe,"	reg.exe

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

Executes dropped EXE 1 IoCs

pid	Process
3756	jpg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3756 set thread context of 3716	3756	jpg.exe	101

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Order490267.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jpg.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2384	cmd.exe
3200	PING.EXE
1672	cmd.exe
668	PING.EXE
1492	PING.EXE

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
3200	PING.EXE
668	PING.EXE
1492	PING.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
2208	Order490267.exe
3756	jpg.exe
3756	jpg.exe
3756	jpg.exe
3756	jpg.exe
3756	jpg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	Order490267.exe
Token: SeDebugPrivilege	3756	jpg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3716	AddInProcess32.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2384	2208	Order490267.exe	89
PID 2208 wrote to memory of 2384	2208	Order490267.exe	89
PID 2208 wrote to memory of 2384	2208	Order490267.exe	89
PID 2384 wrote to memory of 3200	2384	cmd.exe	91
PID 2384 wrote to memory of 3200	2384	cmd.exe	91
PID 2384 wrote to memory of 3200	2384	cmd.exe	91
PID 2208 wrote to memory of 1672	2208	Order490267.exe	94
PID 2208 wrote to memory of 1672	2208	Order490267.exe	94
PID 2208 wrote to memory of 1672	2208	Order490267.exe	94
PID 1672 wrote to memory of 668	1672	cmd.exe	96
PID 1672 wrote to memory of 668	1672	cmd.exe	96
PID 1672 wrote to memory of 668	1672	cmd.exe	96
PID 2384 wrote to memory of 1956	2384	cmd.exe	97
PID 2384 wrote to memory of 1956	2384	cmd.exe	97
PID 2384 wrote to memory of 1956	2384	cmd.exe	97
PID 1672 wrote to memory of 1492	1672	cmd.exe	98
PID 1672 wrote to memory of 1492	1672	cmd.exe	98
PID 1672 wrote to memory of 1492	1672	cmd.exe	98
PID 1672 wrote to memory of 3756	1672	cmd.exe	99
PID 1672 wrote to memory of 3756	1672	cmd.exe	99
PID 1672 wrote to memory of 3756	1672	cmd.exe	99
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3840	3756	jpg.exe	100
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101
PID 3756 wrote to memory of 3716	3756	jpg.exe	101

C:\Users\Admin\AppData\Local\Temp\Order490267.exe
"C:\Users\Admin\AppData\Local\Temp\Order490267.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 39 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\jpg.exe,"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 39
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3200
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\jpg.exe,"
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:1956
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 43 > nul && copy "C:\Users\Admin\AppData\Local\Temp\Order490267.exe" "C:\Users\Admin\AppData\Roaming\jpg.exe" && ping 127.0.0.1 -n 43 > nul && "C:\Users\Admin\AppData\Roaming\jpg.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 43
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:668
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 43
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1492
- - C:\Users\Admin\AppData\Roaming\jpg.exe
    "C:\Users\Admin\AppData\Roaming\jpg.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3756
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      PID:3840
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

logs.dat

Path C:\ProgramData\remcos\logs.dat
Size 144B
SHA256 9cf201414e84f699643f0bfeb77d2231386e3e5e919ea95fb06c8fea15431175
MD5 57e954cc999c92577370b05eb0e4180c
SHA1 c5f0751f0e0dfe3823c0b3eb1f1f1b28774151b8
SHA512 1e58b1e1c2eb85e2c5bc7e50b64050e109425d04c5d59ddffd8f39294ff647f57393843e077f2eba4d234fa60dbfbe7f687d6d8d6f1ecc937be325e5a6cf050b
MD5 SHA1 SHA512

Submit Download

jpg.exe

Path C:\Users\Admin\AppData\Roaming\jpg.exe
Size 3.4MB
SHA256 af3e7559f7119c73c2adc41c1cf5114b0658eb4ea58a7db63e69a72930751098
MD5 778a7674813e2f1e29ccd8ed1c099b26
SHA1 de6117d94e471ccc9607483e0ef3892d8a86aa87
SHA512 242cbb5c13470873882472f2f03fa6a3afbc6adedc603197add1cf126778af8edcfd5536fccd4e5aef60697cb535be0ecfa3dca4578a9f5a0d10635bffd9cdc2
SSDEEP 98304:KjXNRqFJagJ2pK4JEKB5v6auTu1L07M+c:K7W5JqJH/v6acu1Lc
MD5 SHA1 SHA512 SSDEEP

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memory/2208-5-0x0000000003590000-0x00000000035D2000-memory.dmp

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memory/2208-2-0x0000000006150000-0x00000000066F4000-memory.dmp

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memory/2208-3-0x0000000005AC0000-0x0000000005B52000-memory.dmp

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memory/2208-4-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

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memory/2208-1-0x0000000000D00000-0x0000000001074000-memory.dmp

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memory/2208-6-0x0000000075150000-0x0000000075900000-memory.dmp

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memory/2208-7-0x0000000005B70000-0x0000000005B7A000-memory.dmp

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memory/2208-8-0x000000007515E000-0x000000007515F000-memory.dmp

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memory/2208-9-0x0000000075150000-0x0000000075900000-memory.dmp

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memory/2208-10-0x0000000075150000-0x0000000075900000-memory.dmp

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memory/2208-12-0x0000000075150000-0x0000000075900000-memory.dmp

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memory/2208-0-0x000000007515E000-0x000000007515F000-memory.dmp

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memory/3716-54-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-62-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-31-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-99-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-98-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-97-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-95-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-94-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-93-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-92-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-33-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-34-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-35-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-36-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-38-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-39-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-40-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-41-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-42-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-43-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-45-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-46-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-47-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-48-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-49-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-50-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-51-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-53-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-27-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-55-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-56-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-57-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-58-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-60-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-61-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-28-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-63-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-64-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-65-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-66-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-25-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-68-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-69-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-70-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-71-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-72-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-73-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-75-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-76-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-77-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-78-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-79-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-80-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-82-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-83-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-84-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-85-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-86-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-87-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-89-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-90-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3716-91-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/3756-24-0x0000000006AA0000-0x0000000006AA6000-memory.dmp

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memory/3756-23-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

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memory/3756-22-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/3756-21-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/3756-20-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/3756-19-0x0000000004BE0000-0x0000000004C22000-memory.dmp

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memory/3756-18-0x0000000075120000-0x00000000758D0000-memory.dmp

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memory/3756-32-0x0000000075120000-0x00000000758D0000-memory.dmp

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